New changelog entries:
* debian/control:
+ Suggest some more GStreamer plugin packages.
+ Depend on the X video sink or any other video sink.
+ Depend on the PulseAudio audio sink or any other audio sink (Closes: #526079).
* debian/patches/01_disable-devel-mode.patch:
+ Disable the development mode (Closes: #556851).
Thanks to Serafeim Zanikolas for the patch.